Latch for swinging and sliding doors.



F. P. PINNOW.

LATCH FOR SWINGING AND SLIDING DOOR$.

APPLICATION FILED JULY 13. 1914- 1,128,502. Patented Feb. 16, 1915.

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F. F. PINNOW.

LATCH FOR SWINGING AND SLIDING DOORS.

APPLICATION rum) JULY 13, 1914.

1,128,502, Patented Feb. 16, 1915.

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THE NORRIS PETERS C0,. PHDTO-LITHO., WASHING raw. 0. c.

prion.

FREDRICK IE. PINNOW, OF BRODI-IEAD, WISCONSIN, ASSIGNOR OF ONE-HALF TO LEWIS W. TERRY, OF BRODI-IEAD, WISCONSIN.

LATCH FOR SWINGrING AND SLIDING- DOORS.

Specification of Letters Patent.

Patented Feb. 16, 1915.

Application filed. July 13, 1914. Serial No. 850,638.

To all whom it may concern Be it known that I, FREDRIOK F. PINNOW, a citizen of the United States, residing at Brodhead, in the county of Green and State of Wisconsin, have invented certain new and useful Improvements in Latches for Swinging and Sliding Doors; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates broadly to the class of looks or latches and more particularly to the latter. I

The object of the invention is to improve upon the construction of devices of this character to such an extent as to provide a simple and novel form of yoke for guiding a pivoted latch bar as to allow it to coact effectively with the yoke.

With this and minor objects in view, the invention resides in the specific construction and arrangement of parts herein described and claimed and shown in the drawings wherein:

Figure 1 is a side elevation of a portion of a sliding door and its frame, showing the application of my invention thereto, the door being slightly open; Fig. 2 is a similar view with the door closed and locked in closed position; Fig. 3 is a vertical transverse section taken along the plane of the line 33 of Fig. 1; Fig. 4 is a detail side elevation partly in section, showing the form of keeper employed and illustrating the manner in which the active end of the latch bar coacts with said keeper; Fig. 5 is a detail vertical section taken along the plane of the line 55 of Fig. 1; Fig. 6 is a vertical section taken on the line .66 of Fig.

3; Fig. 7 is a perspective view of the pivoted latch bar and the parts carried thereby; Fig. 8 is a similar view of the yoke em ployed in connection with the latch bar; Fig. 9 is a perspective view of the form of keeper employed. for securing the door in closed position; Fig. 10 is a face view of a door frame illustratingan edge view of a door hinged therein and showing the manner in which the device may be employed for locking the door in open position; and Fig. 11 is a horizontal section taken on the line 1111 of Fig. 10.

In the embodiment illustrated, in the drawings, I have; shown my inventionas in-' cluding a pivoted latch bar 1, guide yoke 2 therefor, a keeper 3 for receiving the active end of the bar, and numerous details of con struction to be herein described. The latch bar 1 is in the form of a flat rectilinear bar having one of its ends provided with a transverse pivot opening 4 while its opposite end portion is notched upon its upper and lower edges as indicated at 5, the free end of said bar, adjacent said notches, being beveled on its upper and lower edges as indicated at 6 whereby a pair of noses 7 are formed upon the upper'and lower edges of said bar. The rear surface of the bar 1 is preferably rounded as most clealy seen in Fig. 5, this provision being madeat the end portion of the bar carrying the noses 7 and being designed for a purpose to be hereinafter set forth. The intermediate portion of the bar 1 is here shown as being enlarged at 8 and provided with an upright pin 9 rising from said enlarged portion, with a depending pin 10 depending from said portion and with a comparatively long pin or finger 11 projecting inwardly from said portion. Between the enlargement 8 and the notches 5, the outer side of the bar 1 is provided with a laterally extending lug 12 through which an opening 13 is formed for the reception of a pad lock in a manner to appear while a rectangular head 14 is formed on the free outer end of said lug, the upper and lower ends of said head 14 rising and depending respectively from their juncture with said lug to form upper and lower noses 15.

In applying the device to either a swinging or sliding door, a suitable pivot bolt or screw 16 is inserted through the opening 4 and into the sliding door D or hinged door D as the case may be, a suitable slot S being formed through the body of the door for the reception of the pin or fin ger 11 whereby the latch may be operated from the inside of the door. When in this position, the notches 5 and noses 7 project beyond the free edge of the door as clearly set forth in the drawings and the upper and lower pins 9 and 10 are received respectively by a groove 17 and a notch 18 which are respectively formed in an upper elliptical attaching plate 19 and in a lower substantially rectangular attaching plate 20, the outer sides of these plates 19 and 20 being integrally united with an upright body portion i per .edge'of the plate 20.

.From the above 'set forth construction, it

21 ea. yoke 2; It will be noted more particularly by reference to Figs. 3 and 6 of tlie-drawings that the inner opposed edges of the plates 19 and 20 arespaced' one from" the other a distance considerably greater than the width of thelatch bar lythis provision being made inworder that said' barmay be allowed the" proper amount of've'rti cal movement.

When the parts-are assembled as above set forth,'a coil spring 22 is located in the groov'el7, saidspring encircling the up'permo'st pin orstud 9 and bearing against the adjacent upper edge of the bar 1, wherebythe latter is normally forced downward into contact with the'up'- comprises an upright rectangular block or plate 23 which; is secured. to the frame of the. door adjacentvthe active. end of the bar 1,.

the 'u-pper andlower corners of 'said' block,

adjacent the door, being provided withnoses 24: having their outer edges rounded as clearly seen in the drawings, the noses being adaptedto coact with the notches 5land the noses 7 for retaining the sliding door D in closedpposition...

' Asa means for preventing-the active nose 7 from moving outwardly out. of engagement with the activexnose'24c, a pair of up right flanges 25- are'provided which are formed integrally with the outer'surface of the blocli23 and' which rise and depend from the noses 24 as clearly seen in Fig. 9. These flanges 25 also become active whenthe device is employe d u'pon'a swinging door as will be hereinafter set forth.

:For the'purpose of allowing the'bar 1 to be lockeda'gains't movement relative to the keeper3, said keeper is preferably provided with a G-shaped loop '26 whose opposite endsn;27 are brazed or otherwise secured to] the edgeof said block adjacent the door D, whereby a padlock L (see more particularly Fig. 2) may be inserted through the loop 26" and" through the opening 13.

: Under ordinary circumstances, when "close ing; the sliding door D, thedowerbeVel 6 will contact; with the uppermost nose 24:

thereby raising the 'active end of the bar 1' against the tension' of its spring 22, which" latter now' acts'toieturn said bar to'nor-' m'al position, in whichposition, the active" nose .7 lies in rear of the activefnose 24 therebyfpreventing the bar from being" opened ntil. the; latch isuraise'd; In some;

. g'in herldirectiona In Figs. 10 and 1 1 the swinging orihinged cases however, the (1001 1) has become warped to such an extent as to' prevent the bevel from properly contacting with the nose 24 thereby preventing the latch from i operating properly and in cases of this kind,

it is simply necessa'ry to force the door in- .w'ardly, thus causing the roundedportion of thebar'to'contact with the rounded surface of the active flange 25 whereby the bar will be raised against the .tension of its spring which now actsto" position the parts: as

clearly'seen in Fig. 6. It will therefore beseenthat although the bevels 6" a re"pri:-'

marilydesigned to coact with the noses 7" for raising the latch bar, 'that'the' rounded surface of the .bar 1' operates to equal advantage when contacting with the rounded surfaces of either of the flanges 25, for pro ducing the same end. It may herebe ex plainedthat the keepere is constructed in the double formation, illustrated the 1 drawings inorderthat itmay be reversed to cooperatelwiththebar'1 when" the latter a door open is employed in connection with door D is-equip'ped with a latch bar 1 formed and mounted in identically the same mamier asthe bar previously described, the

fframe of said door is providedwiththe.

keeper. 3 identical with" the -form previously described, and a supplemental keeper o" is shown as beinglcarried by an upright post 7 Pwhi'chconstitute's a stop for limiting-the outward movement ofthe door, the keeper 15.0n thelug 1 2as the'c'as'em'ay be, thereby effectively retaining the door in open positioi'ii: will be understoodthat when the device is employed in: this connection,- the 3 having a nosesimilar'to the flange's 25 i which coacts'withtheuppe'r or'lower nose.

roundedyend of" the b'arj'l constitutes the means for raising said bar against-the ten:

, sion of its spring and-that" the flanges-25 and noses 7 constitute meansfor preventing.

opening of the door.

-- Fromthe foregoing description,- t'a'k'en in connection with theaccompanyingdrawings, it' will be seen'thatfl'have provided an ex ,tremely I simple device, for' 'c'arrying out the objects of thei'nve'ntion yet"one"which may be employed: in. connection'with either sliding or swinging doors and with doorsop'eneither toward the right or"towar'd' the left! It will alsobe. clearly seen that j although the fianges' 25 are designedmt izo marily for us'e when the device is employed for lockinga' swniging' door, said flanges also preform useful functions when the" de-' vice is employed for retaining asliding door in closed position;

. Having thus" described invention, what I claim as new and desiretoisec'ure by Let-- terfs Patent is 1 p I 1. In a device 6f the character described;

a yoke member for attachment to a door, said member comprising an upright body portion, an attaching plate formed on the rear side of one end thereof, said plate being provided in its rear face, with an upright groove terminating av distance from its outer edge and opening through its inner edge, a second attaching plate formed on the rear side of said body portion at its opposite end, said plates being spaced one from the other and the second mentioned plate being formed with a notch in its inner edge and alined with said groove, a latch bar adapted to be pivoted at one end to a door, the intermediate portion of said bar being slidably mounted between said plates and contacting with said body portion, a stud on the one edge of said bar and projecting into said notch, a stud on the other edge of said bar and alined with said groove, and a coil Copies of this patent may be obtained for spring encircling said last mentioned stud and located in said groove.

2. A device of the character described including an elongated rectilinear latch bolt having a transverse opening in one end for the reception of a pivot pin, its opposite end portion being shaped to engage a keeper, pins formed on the upper and lower edges of the bar at its intermediate portion, a yoke receiving said intermediate portion and having grooves receiving said pins therein, and a coil spring encircling one of said pins and located in one of said grooves.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

FREDRIGK F. PINNOW. Witnesses:

W. N. COBB, BURR SPRAGUE.

five cents each, by addressing the Commissioner of Patents,

Washington, D. 0. e 

